Filaria surveys conducted in some select slum clusters namely Hari Nagar, Yamuna pusth near Vijaya Ghat along the Ring Road and Timarpur in Delhi during 1989, 1991 and 1992 respectively, covering a population of approximately 5000 slum dwellers revealed the presence of bancroftian microfilaria (mf) carriers and disease cases.

The mf and disease microfilaria (mf) carriers and disease cases.

The mf and disease rates (per cent) in these three slum areas were in the order of 6.3, 2.2, 3.7 and 1.4, 0.5 and 0.1 respectively.